CN202806791U - Train blockader - Google Patents
Train blockader Download PDFInfo
- Publication number
- CN202806791U CN202806791U CN 201220497434 CN201220497434U CN202806791U CN 202806791 U CN202806791 U CN 202806791U CN 201220497434 CN201220497434 CN 201220497434 CN 201220497434 U CN201220497434 U CN 201220497434U CN 202806791 U CN202806791 U CN 202806791U
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- Prior art keywords
- damping device
- stop buffer
- framework
- friction
- piston rod
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Abstract
The utility model provides an train blockader which comprises a frictional damping device, a framework and a elastic damping device, wherein the frictional damping device is placed on a steel rail, the lower portion of the framework is fixed with the frictional damping device, the elastic damping device is fixed with the upper portion of the framework and is used for contacting a train. The train blockader is provided with the frictional damping device, the framework and the elastic damping device, and therefore impact produced when the train strikes the train blockader, part of produced impact is consumed by the frictional damping device and another part is consumed by the elastic damping device, more power can be absorbed and the train blockader can effectively block the train to go forward.
Description
Technical field
The utility model relates to the physical construction technology, relates in particular to a kind of stop buffer.
Background technology
Stop buffer is arranged on the end of track, is used for stopping advancing of train, so that train fails in time not plunge off the tracks, with the assurance train safe when orbital position stops.
Fig. 1 a is the structural representation of stop buffer of the prior art when being in compression condition, and Fig. 1 b is that stop buffer is in structural representation when replying operating mode among Fig. 1 a.
Referring to Fig. 1 a and Fig. 1 b, stop buffer comprise for the fixing X-type support (scheming not shown) of rail, cylinder body 1, piston 2, piston rod 3 and retracing spring 4.Piston 2 is fixed on the end of piston rod 3.The two ends of retracing spring 4 are fixed with an end that is positioned at cylinder body 1 outside of cylinder body 1 end and piston rod 3 respectively.Cylinder body 1 has inner chamber 5 and exocoel 6, wherein is filled with fluid.The part of piston 2 and piston rod 3 is arranged in inner chamber 5 inner chamber 5 is divided into rod chamber 51 and rodless cavity 52.By fuel return hole 7 and 8 conductings of unidirectional hole, wherein, unidirectional hole 8 allows fluid to flow to inner chamber 5 from exocoel 6 between inner chamber 5 and the exocoel 6.Be provided with the cutoff port 9 that is communicated with rod chamber 51 and rodless cavity 52 on the piston 2.
Referring to Fig. 1 a, arrow A has been illustrated the sense of motion of piston rod 3.When compression condition, under external force, piston rod 3 drives piston 2 to left movement, and because of the effect in unidirectional hole 8, fluid can only flow to the right by cutoff port 9, to produce resistance, the fluid absorbed energy on piston 2 right sides.Because piston 2 left side volumes reduce, cause piston 2 right side fluid to flow to exocoel 6 by end fuel return hole 7.
Referring to Fig. 1 b, arrow B has been illustrated the sense of motion of piston rod 3, when replying operating mode, move right at retracing spring 4 pushing piston bars 3, unidirectional hole 8 on the cylinder body 1 is in open mode, fluid flows to inner chamber 5 from cutoff port 9 and check valve, and the resistance that piston rod 3 moves significantly reduces, until piston rod 3 resets.
There is following problem at least in prior art: the stop buffer that uses in the prior art is hydraulic damping device, and this hydraulic damping device is when bump, and the little energy of absorption is difficult to effectively stop advancing of train.
The utility model content
The utility model provides a kind of stop buffer, is used for effectively stopping advancing of train.
The utility model provides a kind of stop buffer, wherein, comprising:
Friction damping device is used for being slidingly installed in rail;
Framework, the bottom of described framework and described friction damping device are fixed;
Elastic damping device is fixed with the top of described framework.
Aforesaid stop buffer, preferably, described friction damping device comprises:
Mount pad, in pairs captive joint;
Be used for the first friction shoe of the described rail of clamping, be sticked in pairs in described mount pad inwall bottom, described the first friction shoe is used for the described rail of clamping and can slides along described rail;
The second friction shoe is sticked in pairs in described mount pad upper inside wall, and described the second friction shoe grips described framework.
Aforesaid stop buffer, preferably, the quantity of described friction damping device is several right.
Aforesaid stop buffer, preferably,
Be provided with several bolts hole on each described mount pad, described framework is captiveed joint with described mount pad by described bolt hole.
Aforesaid stop buffer, preferably, described framework comprises:
Side plate, quantity are two, and the lower edge of each described side plate is captiveed joint with described friction damping device;
End plate, quantity are two pairs, and each is separately fixed at the two ends of two described side plates to described end plate;
Cylinder seat, the outer wall of described cylinder seat are captiveed joint with described end plate with each described side plate respectively, and the inwall of described cylinder seat is captiveed joint with described elastic damping device.
Aforesaid stop buffer, preferably,
One end of each described end plate is U-shaped, and opening down setting, is used for being arranged on the rail top;
The other end of each described end plate is provided with arc-shaped notch, and the arc-shaped notch of two described end plates is pieced together and fixing described cylinder seat.
Aforesaid stop buffer, preferably, described framework also comprises:
Crossbeam is fixed between two described side plates.
Aforesaid stop buffer, preferably, described elastic damping device comprises:
Cylinder barrel is captiveed joint with described cylinder seat;
Piston rod, described piston rod end is provided with piston, and it is inner that described piston is slidingly installed in described cylinder barrel;
The loam core, it is inner that sealing is arranged on described cylinder barrel;
Wherein, when described piston rod is in pressured state, described piston pushes the loam core in the described cylinder barrel rodless cavity; When described piston rod is in free state, the loam core in the described cylinder barrel rodless cavity promotes the described piston rod of described piston driving and resets.
Aforesaid stop buffer, preferably,
The two ends of described cylinder seat are provided with staybolt, and described staybolt supports described cylinder barrel.
The stop buffer that technique scheme provides, have friction damping device, framework and elastic damping device, the impulsive force part during train bump is consumed by friction damping device, another part is consumed by elastic damping device, so can absorb more energy, so can stop effectively that train advances, so that train rests in safe position.
Description of drawings
Fig. 1 a is the structural representation of stop buffer of the prior art when being in compression condition;
Fig. 1 b is the structural representation when stop buffer is in the answer operating mode among Fig. 1 a;
The stop buffer scheme of installation that Fig. 2 provides for the utility model embodiment one;
The stop buffer scheme of installation that Fig. 3 a provides for the utility model embodiment two;
Fig. 3 b is the left view of Fig. 3 a;
Fig. 3 c is friction damping device structural representation among Fig. 3 a;
Fig. 3 d is the left view of Fig. 3 c;
Fig. 3 e is the structural representation of framework among Fig. 3 a;
Fig. 3 f is the left view of Fig. 3 e;
Fig. 3 g is the structural representation of Fig. 3 a Elastic damping arrangement;
Fig. 3 h is the left view of Fig. 3 g;
Fig. 3 i is the structural representation of friction damping device among Fig. 3 b.
The specific embodiment
The stop buffer structural representation that Fig. 2 provides for the utility model embodiment one.
Referring to Fig. 2, the utility model embodiment one provides a kind of stop buffer.This stop buffer comprises friction damping device 10, framework 11 and elastic damping device 12.Friction damping device 10 is used for being slidingly installed in rail 31; The bottom of described framework 11 and described friction damping device 10 are fixing; Elastic damping device 12 is fixed with the top of described framework 11, and described elastic damping device 12 is used for the contact train.
In the above-mentioned stop buffer, friction damping device is used for and the rail friction; Framework is used for connecting components and guarantees the stability of stop buffer structure; Elastic damping device is used for the contact train, to play buffer action.
Friction damping device has multiple implementation, such as selecting brake facing etc.; Framework can adopt framed structure or entity structure; Elastic damping device is such as selecting the metal spring with enough rigidity, referring to shown in Figure 2, and elastic rubbery body or other elastic constructions.Friction damping device can be by wheel to, trench structure or other modes are slidingly installed on the rail.
The stop buffer that technique scheme provides, have friction damping device, framework and elastic damping device, the impulsive force part during the train bump is consumed by friction damping device, and another part is consumed by elastic damping device, so can absorb more energy, to realize stopping that effectively train advances.
The stop buffer scheme of installation that Fig. 3 a provides for the utility model embodiment two, Fig. 3 b are the left view of Fig. 3 a.
Referring to Fig. 3 a and Fig. 3 b, the utility model embodiment two provides a kind of stop buffer, and this stop buffer comprises friction damping device 10, framework 11 and elastic damping device 12.Friction damping device 10 is used for being slidingly installed in rail 31; The bottom of framework 11 and friction damping device 10 are fixing; Elastic damping device 12 is fixed with the top of framework 11, and elastic damping device 12 is used for the contact train.
The below introduces friction damping device preferred implementation.Fig. 3 c is friction damping device structural representation among Fig. 3 a, and Fig. 3 d is the left view of Fig. 3 c.
Referring to Fig. 3 c and Fig. 3 d, herein, particularly, friction damping device 10 adopts following implementation: friction damping device 10 comprises mount pad 13, the first friction shoe 14 and the second friction shoe 15.Mount pad 13 paired captive joints; The first friction shoe 14 is sticked in pairs in mount pad 13 inwall bottoms, and described the first friction shoe 14 is used for the described rail 31 of clamping and can slides along rail 31; The second friction shoe 15 is sticked in pairs in described mount pad 13 upper inside wall, and described the second friction shoe 15 grips described framework 11.
The first friction shoe and the second friction shoe are sticked and are fixed on the mount pad inwall, so that change after the wearing and tearing.
Referring to Fig. 3 c, herein, the concrete bowl structure that adopt of mount pad 13, two mount pads 13 of every centering arrange in opposite directions, so that the first friction shoe 14 is installed encasing rail 31, and be convenient to install the second friction shoe 15 with fixed frame 11.
Referring to Fig. 3 b, in order further to increase the resistance that is subject to behind the train bump stop buffer, preferably, the quantity of described friction damping device 10 is several right, be used for disperseing to be slidingly installed in described rail 31, the quantity of this friction damping device 10 is determined according to load-carrying and the maximum impact speed of train.
Referring to Fig. 3 d, further, can adopt the bolt captive joint between mount pad 13 and the framework 11,, be provided with several bolts hole 15 on each described mount pad 13 herein, described framework 11 is captiveed joint with described mount pad 13 by described bolt hole 15.
In the practical application, rail 31 has two, thus when rail 31 arranges friction damping device 10, need correspondence that friction damping device 10 is set on the every rail 31, to guarantee train when clashing into stop buffer, train both sides stress equalization.
Friction damping device is the unidirectional damping device that can not reset, and contacts with rail by the first friction shoe, and when framework was subject to longitudinal impact power, the first friction shoe and rail head of rail produced the relative sliding friction, take with kinetic transformation as friction heat.
The below introduces the preferred implementation of framework.Fig. 3 e is the structural representation of framework among Fig. 3 a, and Fig. 3 f is the left view of Fig. 3 e.
Referring to Fig. 3 e and Fig. 3 f, framework 11 can comprise side plate 17, end plate 18 and cylinder seat 19.Side plate 17 quantity are two, and the lower edge of each described side plate 17 is captiveed joint with described friction damping device 10; End plate 18 quantity are two pairs, and each is separately fixed at the two ends of two described side plates 17 to described end plate 18; The outer wall of cylinder seat 19 described cylinder seats 19 is captiveed joint with described end plate 18 with each described side plate 17 respectively, and the inwall of described cylinder seat 19 is captiveed joint with described elastic damping device 12.
Referring to Fig. 3 e, particularly, side plate 17 adopts arc, and two blocks of side plates 17 cooperate with fixing with cylinder seat 19.Adopt the side plate 17 of arcuate structure, can increase the stability of whole framework 11 structures.End plate 18 is slab construction, and the two end plates 18 of every centering cooperates with fixing with cylinder seat 19.Between side plate 17 and the cylinder seat 19, between side plate 17 and the end plate 18 and all adopt between cylinder seat 19 and the end plate 18 and be welded and fixed, to guarantee the stability of whole framework 11 structures.
Referring to Fig. 3 b, take the friction damping device 10 that adopts above-mentioned implementation as example, the second friction shoe 15 that arranges in pairs specifically grips the side plate 17 on the framework 11.Because side plate 17 has certain length, this sentences every block of side plate 17 and is fixed as example with three friction damping devices 10 that are positioned on the rail 31 simultaneously, but is not limited to this.During bump, with fixing three friction damping device 10 synchronization actions of side plate 17, impact forces framework 11 and friction damping device 10 to move to the right side shown in Fig. 3 b, with the friction damping device 10 of running into gradually other scattering devices, be understandable that, the friction damping device more than 10 of running into, the resistance that train is subject to is larger, and the distance that slides is shorter.
Referring to Fig. 3 e, herein, end plate 18 can preferably adopt following structure: an end of each described end plate 18 is U-shaped, and opening down setting, is used for being arranged on rail 31 tops; The other end of each described end plate 18 is provided with the arc-shaped notch 20 of 20, two described end plates 18 of arc-shaped notch and pieces together with fixing described cylinder seat 19.One end is U-shaped, can play directional tagging, departs from rail 31 to prevent stop buffer; The other end is provided with arc-shaped notch 20, so that fixing with cylinder seat 19.
Referring to Fig. 3 b, herein particularly, side plate 17 bottoms are provided for installing the mounting hole 25 of friction damping device 10, and side plate 17 is connected with mount pad 13 bolts on the friction damping device 10.
Referring to Fig. 3 a, for further increasing the stability of whole framework 11, framework 11 also can comprise crossbeam 21, and crossbeam 21 is fixed between two described side plates 17.
The framework of above-mentioned implementation can bear huge impulsive force at the longitudinal direction of train, is the critical component that connects elastic cement damping arrangement and friction damping device.Crossbeam can be strengthened the stability of deep framing structure in the large impact process.
The below introduces the preferred implementation of elastic damping device.Fig. 3 g is the structural representation of Fig. 3 a Elastic damping arrangement, and Fig. 3 h is the left view of Fig. 3 g.
Described elastic damping device 12 comprises cylinder barrel 22, piston 30, piston rod 23 and loam core 24.Cylinder barrel 22 is captiveed joint with described cylinder seat 19; Described piston rod 23 ends are provided with piston 30, and described piston 30 is slidingly installed in described cylinder barrel 22 inside; Loam core 24 sealings are arranged on described cylinder barrel 22 inside; Wherein, when described piston rod 23 is in pressured state, the loam core 24 in described cylinder barrel 22 rodless cavities of described piston 30 extruding; When described piston rod 23 was in free state, the loam core 24 in described cylinder barrel 22 rodless cavities promoted the described piston rod 23 of described piston 30 drives and resets.
Herein, piston 30 is specifically selected the I shape rubber structure, and a slice rubber and cylinder barrel 22 inwalls are fitted and arranged therein, leave slit 26 between another sheet rubber and cylinder barrel 22 inwalls.All be provided with damping hole 27 on the every rubber, wherein, be provided with check valve 29 in the part damping hole 27, this check valve 29 is used for stopping that loam core 24 flows to the path of rodless cavity from rod chamber, to increase the suffered resistance of piston rod 23 retractions.Be understandable that piston 30 can be selected conventional design, at piston 30 a plurality of damping holes 27 be set, check valve 29 is set in the part damping hole 27, to increase the suffered resistance of piston rod 23 retractions.
In the elastic damping device 12, the critical component that plays buffering is loam core 24.Elastic damping device 12 is by clay core 24 crank motion absorbed energies.In the motion process, the intermolecular generation internal friction in loam core 24 is with dissipation energy.Take direction shown in Fig. 3 g as example, piston rod 23 moves right, and makes the clay pressure rise in the rodless cavity, and the clay in the rodless cavity moves right, with absorbed energy; After external force was cancelled, compressed clay expanded, and gets back to fast piston 30 left sides by check valve 29, makes piston rod 23 self-returns.
The elastic damping device of above-mentioned implementation, than hydraulic damping device have that capacity is large, simple in structure, the advantage such as stable performance and period of inspection and repair are long, in addition, elastic damping device also has good dynamic characteristics and static response, when large in impact force of train, the elastic damping device dynamic characteristics is good, and impulsive force is significantly reduced; After impulsive force was stable, the static response that elastic damping device is good made again longitudinal force and the longitudinal acceleration between stop buffer and train minimum, so better than the ride comfort of other shock absorbers.
Herein, the elastic damping device capacity of employing is 100KJ, can effectively absorb the kinetic energy in the Vehicular impact process, and initial pressure is the 2.25MN that 0.06MN(stipulates less than the industry design standard, and acceleration/accel is-0.3m/s
2), maximum pressure is the 2.25MN that 0.3MN(stipulates less than the industry design standard, acceleration/accel is-1.5m/s
2), reduced to greatest extent the impact of in the backstop process, receiving.
For ease of adjusting the concentricity of cylinder barrel 22 and cylinder seat 19, preferably, the two ends of cylinder seat 19 are provided with staybolt 32, and described staybolt 32 supports described cylinder barrel 22.Take the direction shown in Fig. 3 a as example, staybolt 32 vertically is arranged on the bottom of cylinder seat 19, adjusts staybolt 32 and stretches into length in the cylinder seat 19, i.e. the position of capable of regulating cylinder barrel 22 in cylinder seat 19 is to guarantee both concentricitys.
In the present embodiment, be a stop buffer to be set as example on the rail of every side, this stop buffer comprises three friction damping devices, also is provided with three friction damping devices at rail separately in addition, these three friction damping devices that arrange separately are not connected with side plate, specifically referring to Fig. 3 i.The difference of Fig. 3 i and Fig. 3 c is that in Fig. 3 i, friction damping device is not fixed with side plate.In the practical application, adopt above-mentioned arrangement, can further promote the effect of keeping off a car.
The stop buffer that the utility model embodiment provides is provided with friction damping device and elastic damping device simultaneously, and stop buffer is in being subject to impact process, and elastic damping device is subjected to force compresses, and when being compressed to a certain degree, framework promotes frictional damping mechanism to begin to slide.Stop absorbed energy when the elastic cement damper is compressed to maxim, dump energy is consumed by frictional damping mechanism, until reach the train steady state.Test shows, the train of 200t with 15km/h speed inertia impact stop buffer after, train composition does not produce plastic deformation, maximum sliding distance is 15m, the passenger does not obviously impact sense in test.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a stop buffer is characterized in that, comprising:
Friction damping device is used for being slidingly installed in rail;
Framework, the bottom of described framework and described friction damping device are fixed;
Elastic damping device is fixed with the top of described framework.
2. stop buffer according to claim 1 is characterized in that, described friction damping device comprises:
Mount pad, in pairs captive joint;
Be used for the first friction shoe of the described rail of clamping, be sticked in pairs in described mount pad inwall bottom, described the first friction shoe can slide along described rail;
The second friction shoe is sticked in pairs in described mount pad upper inside wall, and described the second friction shoe grips described framework.
3. stop buffer according to claim 2 is characterized in that,
The quantity of described friction damping device is several right.
4. stop buffer according to claim 2 is characterized in that,
Be provided with several bolts hole on each described mount pad, described framework is captiveed joint with described mount pad by described bolt hole.
5. stop buffer according to claim 1 is characterized in that, described framework comprises:
Side plate, quantity are two, and the lower edge of each described side plate is captiveed joint with described friction damping device;
End plate, quantity are two pairs, and each is separately fixed at the two ends of two described side plates to described end plate;
Cylinder seat, the outer wall of described cylinder seat are captiveed joint with described end plate with each described side plate respectively, and the inwall of described cylinder seat is captiveed joint with described elastic damping device.
6. stop buffer according to claim 5 is characterized in that,
One end of each described end plate is U-shaped, and opening down setting, is used for being arranged on the rail top;
The other end of each described end plate is provided with arc-shaped notch, and the arc-shaped notch of two described end plates is pieced together and fixing described cylinder seat.
7. stop buffer according to claim 5 is characterized in that, described framework also comprises:
Crossbeam is fixed between two described side plates.
8. stop buffer according to claim 5 is characterized in that, described elastic damping device comprises:
Cylinder barrel is captiveed joint with described cylinder seat;
Piston rod, described piston rod end is provided with piston, and it is inner that described piston is slidingly installed in described cylinder barrel;
The loam core, it is inner that sealing is arranged on described cylinder barrel;
Wherein, when described piston rod is in pressured state, described piston pushes the loam core in the described cylinder barrel rodless cavity; When described piston rod is in free state, the loam core in the described cylinder barrel rodless cavity promotes the described piston rod of described piston driving and resets.
9. stop buffer according to claim 8 is characterized in that,
The two ends of described cylinder seat are provided with staybolt, and described staybolt supports described cylinder barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220497434 CN202806791U (en) | 2012-09-26 | 2012-09-26 | Train blockader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220497434 CN202806791U (en) | 2012-09-26 | 2012-09-26 | Train blockader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202806791U true CN202806791U (en) | 2013-03-20 |
Family
ID=47865718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220497434 Expired - Fee Related CN202806791U (en) | 2012-09-26 | 2012-09-26 | Train blockader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202806791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845840A (en) * | 2020-06-08 | 2020-10-30 | 合肥珀利机电设备有限公司 | Car stopper for tramcar |
-
2012
- 2012-09-26 CN CN 201220497434 patent/CN202806791U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845840A (en) * | 2020-06-08 | 2020-10-30 | 合肥珀利机电设备有限公司 | Car stopper for tramcar |
| CN111845840B (en) * | 2020-06-08 | 2023-12-05 | 台州竞成网业股份有限公司 | Car stopper for tram |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 102202 Beijing city Changping District South Town Road North South Town West No. 584 No. 585 Patentee after: Beijing Zhongche Nankow Machinery Co. Ltd. Address before: 102202 Beijing city Changping District town of South Road North Patentee before: Beijing NanKou Railway Transit Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20180926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |